Improvement in pumps



' UNITED STATES PATENT OFFICE. i

N. SUTTON, OF DETROIT, MICHIGAN.

IMPROVEMENT IN PUMPS.

Specification forming part of Letters Patent No. 47.31.11, dated April18, 1865 g antedated April'3, 1865.

1'0 all whom it may concern:

Be it known that I, N. SUTTON, of Detroit, in the county of Wayne andState of Michigan, have invented anew and Improved Pump; and I do herebydeclare that the following is a full, clear, and exact descriptionthereof, which will enable others skilled in the art to make and use thesame, reference being had to the accoinpanying drawings, forming a partof this speciiication, in which- Figure 1 is a vertical section of myinvention, taken in the line w x, Fig. 2; Fig. 2, a vertical section ofthe same, taken in the line y y, Fig. 1.

Similar letters of reference indicate like parts.

This invention relatl sto a new and improved pump of that class whichare provided with t .vo buckets or pistons workin g in one and the sunec ylinder.

The invention is more especially designed for operating in artesianwells, particularly in salt wells; and it consists in a novel lneans einployedior operating the buckets or pistons, whereby there is not, whilethe pump is in operation, any cessation of a rising movement of a bucketor piston in the cylinder, and a con- |stant stream is consequentlydischarged from the pump.

`The invention also consists in placing a studingbox in the upper bucketor piston, in order to prevent leakage of air or water between the twopiston-rods, one being solid and the other tubular, and the formerWorking through the latter.

A represents the pump-cylinder, which 1n ay be constructed of anysuitable dimensions, and B B are two buckets or pistons, which arefitted and work within the cylinder A, each being provided with a valve,a, opening upward. The buckets or pistons B B work one above the other,and the rod C of the lower l screwed into a chamber or cavity, b,through which the piston-rod C passes. This stuffingbox, however, may bemodified or differently arranged. I do not confine myself to the aboveconstruction.

The upper ends of the piston-rods C D are attached to slides E Ef, whichwork on guides F F, and the slides E E are connected by pitman G G tocranks H H at the inner ends of shafts I I, placed on the upper part ofa fraining, J, to which the guides F are attached.

O11 each shaft l there is keyed an eccentric toothed wheel, K, thewheels of the two shafts having a reverse postionrelatively with eachother, and the crank H of each shaft beingin line with the greatest orlongest radius of the wheel K upon it. (See Fig. 1.)

L L are two eccentric wheels, preciscl y like K K. These wheels L L arekeyed in reverse. positions on la shaft, M, on the framing J and theygear into the wh eels K K, the two wheels, i

K L, of each pair havin g a reverse position relatively with each otherin regardto their position on their respective shafts I M, as shownclearly in Fig. 1, and the two pairs of wheels K L have reversepositions relatively with each other.

From the above description it will be seen that a variable motion willbe given the pistons B B', the pistons descending in the cylinder A morerapidly than they ascend, so that one bucket will alw. ys be rising,each bucket as it reaches its lowest pointV commencing to ascend beforethe other commences to descend. Hence a continuous stream is dischargedthrough the nozzle or spout N ot the pump.

The stuffing-box E is important, as it prevents the leakage of air andwater into the tubular piston-rod D and insures a perfect operation ofthe pump.

Having thus described my invention, I claim as new and desireto secureby Letters Patent- 1. The combination and arrangement of the eccentricgearing with the piston-rods U I), substantially as and for the purposespecified.

2. The stuffing-box E, when applied to the upper bucket or piston, B,and used in combination with the solid tubular piston-rods G l).substantially as and for the purpose set forth N. SUTTON.

Witnesses:

JpLIUs S'roLL, CARL ZEHRNEMANN.

